Episode guide
Series 1
10 Things You Didn't Know About Avalanches
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10 Things You Didn't Know About Avalanches
Iain Stewart braves mountain ranges and glaciers to reveal ten remarkable stories about avalanches, including how the deadliest one killed 18,000 people in three minutes.
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Series 1
10 Things you didn't know about Earthquakes
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10 Things you didn't know about Earthquakes
Iain Stewart reveals the stories and science behind earthquakes. In seconds, these formidable forces of nature can shake a town to destruction and shift the landscape forever.
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Series 1
10 Things you didn't know about Tsunamis
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10 Things you didn't know about Tsunamis
Iain Stewart explores the most powerful waves in history. Tsunamis caused the ruin of an ancient civilization, and may have played a part in the demise of the dinosaurs.
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Series 1
10 Things you didn't know about Volcanoes
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10 Things you didn't know about Volcanoes
There's much more to volcanoes than death and destruction - as Iain Stewart reveals in this illuminating programme. Without volcanoes our planet would be a very different place.
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